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In this lesson, learners will discover how certain snakes (pit-vipers) can find prey using a natural infrared sensor and will extend their understandings by exploring infrared technology applications. The lesson features background information for... (View More)

In this multi-day activity, students use infrared and visible images of animals and sort them into broad categories based upon the learner's own reasoning and observations of the images. Further explorations reveal that warm and cold-blooded animals... (View More)

This collection of activities presents learners with intriguing questions about the universe and provides an opportunity to explore topics related to the search for life beyond our own planet. The collection includes eight existing classroom... (View More)

This lesson is comprised of three parts grouped to enable student understanding of classifying organisms. In part one of the lesson, students classify imaginary organisms represented by a mix of breakfast cereals, candies, nuts, raisins, etc.... (View More)

Size and shape are important in astrobiology. In this activity and slideshow, students observe the importance of relative size and morphology in identifying microscopic structures when viewed with the scanning electron microscope. This activity is... (View More)

This series of six activities encourages students to think about the characteristics of life and the possibility of looking for life on Mars. The first three activities from Destination: Mars establish the criteria for recognizing life. The other... (View More)

In this activity, students develop a timeline relating technological advances, particularly in microscopy, to how scientists have classified living organisms throughout history. Students use Internet and/or library resources to investigate important... (View More)

In this activity, students will observe the relationship between temperature and metabolism. The subjects for this experiment are Saccharomyces cerevisiae, one-celled organisms more commonly known as baker's yeast. By observing the presence of... (View More)

This is an activity about astrobiology. Learners will research one planet within our Solar System and create an alien based on the temperature, gravity, terrain, radiation exposure, composition, and atmosphere of that planet. Then, each person will... (View More)

This is an activity about astrobiology. Learners will research one planet within our Solar System and create an alien based on the temperature, gravity, terrain, radiation exposure, composition, and atmosphere of that planet. Then, each person will... (View More)

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